InChI=1/C13H21N5O2/c1-8-7-10(17-18(8)13(2,3)4)11(19)15-16-12(20)14-9-5-6-9/h7,9H,5-6H2,1-4H3,(H,15,19)(H2,14,16,20)/f/h14-16H 9510BD1E1439B7D1